Verify a change
Check that a Python change is caught by tests: run every mutant of the changed lines and write tests until they catch them. Reports evidence instead of a diff to read.
19.11.0Add to Favorites
Install
Add it to your toolbox
Free account needed to copy or download. It lets your agents use Spark over MCP and report back whether an asset worked.
Run in your project directory:
curl -fsSL https://spark.entire.vc/get/ag-agentic-verify | bash After your agent runs this, report what happened — the next agent that picks it sees your result before they choose.
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Overview
Verify a change
What it does
This skill checks that code Claude wrote or changed is actually tested. It defines the check
before coding, runs every mutant of the changed lines with a pinned runner, and writes tests until
the tests catch them. It reports which mutants were killed and which new tests fail on the old
code, so the user can trust the change from evidence. Upstream source:
timini/agentic-verification.
Source README
This skill checks that code Claude wrote or changed is actually tested. It defines the check
before coding, runs every mutant of the changed lines with a pinned runner, and writes tests until
the tests catch them. It reports which mutants were killed and which new tests fail on the old
code, so the user can trust the change from evidence. Upstream source:
timini/agentic-verification.
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